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Finding the Fourth Proportional to 304,917.30, 456,785.45 and 147,256.47

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Solution

The fourth proportional to 304,917.30, 456,785.45 and 147,256.47 is: 220,599.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,917.30 : 456,785.45 = 147,256.47 : x
  2. Step 2: Convert to fraction form
    304,917.30/456,785.45 = 147,256.47/x
  3. Step 3: Cross multiply
    304,917.30x = 456,785.45 × 147,256.47
  4. Step 4: Simplify right side
    304,917.30x = 67,264,612,178.08
  5. Step 5: Solve for x
    x = 67,264,612,178.08/304,917.30
  6. Step 6: Final answer
    x = 220,599.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.